Home / 5,903.18-8,848.47-3,128.12

Finding the Fourth Proportional to 5,903.18, 8,848.47 and 3,128.12

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Solution

The fourth proportional to 5,903.18, 8,848.47 and 3,128.12 is: 4,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.18 : 8,848.47 = 3,128.12 : x
  2. Step 2: Convert to fraction form
    5,903.18/8,848.47 = 3,128.12/x
  3. Step 3: Cross multiply
    5,903.18x = 8,848.47 × 3,128.12
  4. Step 4: Simplify right side
    5,903.18x = 27,679,075.98
  5. Step 5: Solve for x
    x = 27,679,075.98/5,903.18
  6. Step 6: Final answer
    x = 4,688.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.